#!/usr/bin/env python
# PIC client (currently only supports dsPIC33F/PIC24H.)
#
+# Note that a verify operation only considers addresses specified in
+# the given Intel hex file ($foo.hex).
+#
+# sixfile expects a plain text file, one instruction per line.
+#
+#
# Scott Livingston <slivingston at caltech.edu>
#
# March, April 2010.
0xF80016 : "FUID3",
"width" : 7 } # For pretty printing.
+#cfg_bitmask_table = {
+
#############
# Functions:
#############
if len(sys.argv) == 1:
- print "Usage: %s verb [objects]" % sys.argv[0]
- print "Warning: only supports dsPIC33F/PIC24H (maybe)...\n"
+ print "Usage: %s verb [objects]\n" % sys.argv[0]
print "%s devid" % sys.argv[0]
print "%s read 0x$addr" % sys.argv[0]
print "%s dump $foo.hex [0x$start 0x$stop] [pretty]" % sys.argv[0]
print "%s config" % sys.argv[0]
print "%s program $foo.hex" % sys.argv[0]
- print "%s verify $foo.hex (NOTE: only addresses in $foo.hex are verified.)" % sys.argv[0]
- print "%s write $0xADDRESS $0xVALUE" % sys.argv[0]
- print "%s write_config $REG_NAME [$0x0000]" % sys.argv[0]
+ print "%s verify $foo.hex" % sys.argv[0]
+ print "%s write 0x$address 0x$value" % sys.argv[0]
+ print "%s write_config 0x$reg_address (or $reg_name) [$0x0000]" % sys.argv[0]
print "%s erase [0x$page]" % sys.argv[0] # bulk or page erase
print "%s six [instruction]" % sys.argv[0]
- print "%s sixfile [$foo.txt] (NOTE: plaintext, one instruction per line.)" % sys.argv[0]
+ print "%s sixfile [$foo.txt]" % sys.argv[0]
print "%s regout" % sys.argv[0]
print """
Note: use - for stdout.
+Warning: only supports dsPIC33F/PIC24H (maybe)...
"""
sys.exit()
#print "\n(Note that -1 indicates failure to read a value.)"
elif sys.argv[1] == "config": # Dump configuration registers
- startICSP()
-
prep_cmd_li = [0x040200, # GOTO 0x0200
0x040200, # GOTO 0x0200
0x000000, # NOP
rd_cmd_li = [0xBA0BB6, # TBLRDL [W6++], [W7]
0x000000, # NOP
0x000000] # NOP
+ startICSP()
print "Dumping configuration registers..."
for instr in prep_cmd_li:
data = client.writecmd( PICAPP, 0x82, 3, [instr & 0xff,
new_val = 0xFF # Assume new value
else:
new_val = int(float.fromhex(sys.argv[3]))
- if sys.argv[2] not in cfg_table.values():
- print "Given register, %s, not recognized." % sys.argv[2]
- exit(1)
- reg_addr = cfg_table.keys()[cfg_table.values().index(sys.argv[2])]
+ try:
+ reg_addr = int(float.fromhex(sys.argv[2]))
+ except ValueError:
+ if sys.argv[2] not in cfg_table.values():
+ print "Given register, %s, not recognized." % sys.argv[2]
+ exit(1)
+ reg_addr = cfg_table.keys()[cfg_table.values().index(sys.argv[2])]
wr_cfg_li = [0x040200, # GOTO 0x0200
0x040200, # GOTO 0x0200
# Assume all of program memory (including unimplemented sections,
# which will be read as zeroes.
start_addr = 0x0
- stop_addr = 0xFFFFFE #
+ stop_addr = 0xFFFFFE
- readpm_cmd_li = [0x200000, # MOV #addr<23:16>, W0
- 0x880190, # MOV W0, TBLPAG
- 0x200006, # MOV #addr<15:0>, W6
- 0xEB0380, # CLR W7
- 0xEB0080, # CLR W1
- 0x000000, # NOP
- 0xBA1B96, # TBLRDL [W6], [W7++]
- 0x000000, # NOP
- 0x000000, # NOP
- 0xBACB96, # TBLRDH.B [W6], [W7]
- 0x000000, # NOP
- 0x000000] # NOP
+ readpm_cmd_li = [0x200000, # MOV #addr<23:16>, W0
+ 0x880190, # MOV W0, TBLPAG
+ 0x200006, # MOV #addr<15:0>, W6
+ 0xEB0380, # CLR W7
+ 0x000000, # NOP
+ 0xBA1B96, # TBLRDL [W6], [W7++]
+ 0x000000, # NOP
+ 0x000000, # NOP
+ 0xBADBB6, # TBLRDH.B [W6++], [W7++]
+ 0x000000, # NOP
+ 0x000000, # NOP
+ 0xBADBD6, # TBLRDH.B [++W6], [W7++]
+ 0x000000, # NOP
+ 0x000000, # NOP
+ 0xBA1BB6, # TBLRDL [W6++], [W7++]
+ 0x000000, # NOP
+ 0x000000, # NOP
+ 0xBA1B96, # TBLRDL [W6], [W7++]
+ 0x000000, # NOP
+ 0x000000, # NOP
+ 0xBADBB6, # TBLRDH.B [W6++], [W7++]
+ 0x000000, # NOP
+ 0x000000, # NOP
+ 0xBADBD6, # TBLRDH.B [++W6], [W7++]
+ 0x000000, # NOP
+ 0x000000, # NOP
+ 0xBA0BB6, # TBLRDL [W6++], [W7]
+ 0x000000, # NOP
+ 0x000000] # NOP
dumphex = IntelHex()
client.writecmd( PICAPP, 0x82, 3, [0x00,0x02,0x04] ) #GOTO 0x200 (reset)
client.writecmd( PICAPP, 0x82, 3, [0x00,0x02,0x04] ) #GOTO 0x200 (reset)
client.writecmd( PICAPP, 0x82, 3, [0x00,0x00,0x00] ) #NOP (pump clock)
- for addr in range( start_addr, stop_addr+2, 2 ):
- specify_addr_cmd = [readpm_cmd_li[0] + ((addr & 0xff0000)>>12),
- readpm_cmd_li[1],
- readpm_cmd_li[2] + ((addr & 0xffff)<<4)]
+
+ last_highb = -1 # Only set TBLPAG when needed.
+ packed_instr_list = [0,0,0,0,0,0] # For packing 4 (24-bit) instructions in 6 (16-bit) words
+ for addr in range( start_addr&0xfffff8, stop_addr+8, 8 ):
+ if (addr>>16)&0xff != last_highb:
+ last_highb = (addr>>16)&0xff;
+ specify_addr_cmd = [readpm_cmd_li[0] + ((addr & 0xff0000)>>12),
+ readpm_cmd_li[1],
+ readpm_cmd_li[2] + ((addr & 0xffff)<<4)]
+ else:
+ specify_addr_cmd = [readpm_cmd_li[2] + ((addr & 0xffff)<<4)]
runlist( specify_addr_cmd + readpm_cmd_li[3:] )
- loww = readreg(0) # Read W0, which has lower 16 bits
- highb = readreg(1) # Read W1, which has high 8 bits
- result = (highb<<16) | loww
- dumphex.puts( (addr&0xffffff)*2,
- chr(result&0xff)+chr((result>>8)&0xff)+chr((result>>16)&0xff)+chr(0) )
- if print_term:
- print "0x%06X 0x%06X" % (addr,result)
+
+ for reg_num in range(6): # Read W0:5, to get packed instructions
+ packed_instr_list[reg_num] = readreg( reg_num )
+ instr_list = words2instr( packed_instr_list )
+
+ for offset in range(4): # Print result
+ if addr+offset*2 < start_addr:
+ continue
+ if addr+offset*2 > stop_addr:
+ break
+ dumphex.puts( ((addr+offset*2)&0xffffff)*2,
+ chr(instr_list[offset]&0xff)
+ +chr((instr_list[offset]>>8)&0xff)
+ +chr((instr_list[offset]>>16)&0xff)
+ +chr(0) )
+ if print_term:
+ print "0x%06X 0x%06X" % (addr+offset*2,instr_list[offset])
if not print_term:
if fname == "-":
stopICSP()
-elif sys.argv[1] == "erase": # Bulk erase (all program memory)
+elif sys.argv[1] == "erase": # Bulk (all program memory) or page erase
if len(sys.argv) == 3:
addr = int(float.fromhex(sys.argv[2]))
0x000000, # NOP
0x000000] # NOP
else: # Page erase
+ print "Erasing page of 0x%06X" % addr
erase_cmd_li = [0x040200, # GOTO 0x0200
0x040200, # GOTO 0x0200
0x000000, # NOP
0x883B0A, # MOV W10, NVMCON
0x200000+((addr & 0xff0000)>>12), # MOV #addr<23:16>, W0
0x880190, # MOV W0, TBLPAG
- 0x200001+((addr&0xffff)<<4), # MOV 0x0, W1
+ 0x200001+((addr&0xffff)<<4), # MOV addr<15:0>, W1
0x000000, # NOP
0xBB0881, # TBLTWL W1, [W1]
0x000000, # NOP
projects / goodfet / blobdiff